1. | Which number describes the spread of a set of data? | |||||

mean | mode | |||||

range | median | |||||

Hint | ||||||

2. | Find the mean for the data set 99, 103, 140, 153, 109, 92, 125, 110, 140. |
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119 | 140 | |||||

110 | 61 | |||||

Hint | ||||||

3. | Find the mode of the set of data. 24, 25, 30, 31, 31, 33, 34, 38, 41, 42, 44, 48, 49, 67 |
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36 | 34 | |||||

67 | 31 | |||||

Hint | ||||||

4. | Mary Jo wants to find the average of her friend's weekly allowances. Use the table below, and find the mean weekly allowance. | |||||

$12.50 | $5 | |||||

$10 | $7.50 | |||||

Hint | ||||||

5. | Find the range of the data set 145, 612, 120, 349, 515, 212, 590. | |||||

445 | 492 | |||||

512 | 470 | |||||

Hint | ||||||